Transcript for Former Texas Justice Accused of 'Terroristic Threat,' Questioned in DA Murders

In texas to the man being questioned in the death of that district attorney and the assistant da. They are questioning him behind bars after they say he made a terroristic threat. Reporter: After midnight saturday texas law man booked this former justice of the peace into joint jail. Eric williams was arrested on charge of making a terrorist threat. Officials are refusing to say what the threat was about or who it was directed at. But the arrest may be an attempt to turn up the heat on williams by investigators looking for any connections to the murder of DISTRICT ATTORNEY mike McLelland and his wife cynthia. Cameras caught him taking computer equipment from the it department. Basically took the monitors and the memory? That's from what I can remember. Reporter: Williams was convicted and he lost his job. Then in january, the prosecutor on that case, mark hasse was gunned down outside the courthouse. Williams was questioned in that case, too. Williams, his attorney says, has cooperated. He vigorously denies any and all allegations and wishes simply to get on with his life. Investigators are casting a wide net but months after the investigate began, leads are scarce and that justice is still elusive. Now to a medical milestone hope, a woman who is the first

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